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Posted on Jan 02, 2017
SOURCE: Did not pass emission
have a professional replace it with a new valve, Be sure that the shop cleans the EGR passages when the EGR valve is replaced. If the EGR system ports are not cleaned, the new valve is at risk of premature failure.
Posted on Jan 06, 2009
SOURCE: 1998 PONTIAC SUNFIRE ADVISE
Exhaust Gas Recirculation System Is the main problem here. the other code P0118 may be a bad temprature sensor or your thermostate needs to be changed. Last it could be a weak water pump.
So what is an EGR system and how does it work? EGR stands for Exhaust Gas Recirculation, and as its name implies, this system allows exhaust gasses from your car to be re-circulated into the engine, helping to reduce emissions. These systems are mostly comprised of the EGR valve, a DPFE (Delta Pressure Feedback EGR) sensor, hoses, a vacuum regulator, some vacuum lines, wiring, the computer and the exhaust tube leading to the valve itself.
The car's wiring can be tested in the normal fashion by looking for broken and lose wire, and all vacuum lines can be checked easily for cracks, leaks and correct routing.
The last thing i would then check is the the EGR valve, EGR vacuum regulator and DPFE sensor (or similar flow sensor).
I hope this helps and good luck
Posted on Apr 09, 2009
SOURCE: My 1996 dodge caravan is displaying fault code p4030 "exhaust gas recirculation control circuit" is preventing it from passing it's emissions test (Washington State). Is there anything I can take care
check the vacuum line going to the valve and the transducer, this is the black plastic rounnd thing between the egr valve and the intake, chances are the transducer is bad and can only be purchased along with the valve. if you have access to a vaccum gauge you can connect it to the line at the egr valve and raise the rpm to 2000rpm and see if it pulls vacuum, but you can probably count on buying a new valve assembly.
it will come with the tranducer which is probably allyou need. hope this helps.
Posted on May 20, 2009
SOURCE: We have a 2001 sebring
The P0403 error code is the EGR system that consists of a valve and solenoid controlled by the engine computer. Replace the EGR valve. The P0765 and P0760 error codes are transmission related. Replace the transmission shift solenoid. The P0340 and P0335 codes are a cam sensor fault. You will need to flash update your vehicle computer to fix this problem.
Posted on Oct 02, 2010
SOURCE: 2002 eclipse spyder gt has
I'm having the exact same codes on my '01 GT. http://www.club3g.com/forum/problem-reports/112664-p0403-exhaust-gas-recirculation-circuit-malfunction.html
check out the last post on that page. literally just got done getting the "BB" out of the tubing. haven't found out if it solved that problem yet, but I'm hoping to not have to change the solenoid.
I'm still working on the P0128
Posted on Feb 17, 2011
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